Seiko Cal. 4587 - 137

The Seiko 4587-137 represents an important milestone in Seiko's 1977 lineup. Powered by the 4587 caliber with 23j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-378dd628e0a0]

Also known as: Rally

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1977

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